Mesityloxy
[化] ┯氧基; 2,4,6-三甲苯氧基
🗣️ 情景例句
OK, let's talk.
好吧，我们来谈谈。
How long will you be staying in hong kong?
你将待在香港多久？
This platform would serve as a port and a railway station.
如果再建些伸出海面的高大的烟囱状通风管，